<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>$Title$</title>
    <style>
        body{
            height: 100vh;
            background: #000;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        ul{
            height: 200px;
            display: flex;
        }
        li{
            width: 20px;
            height: 20px;
            border-radius: 10px;
            background: red;
            margin-right: 20px;
        }
        li:nth-child(1){
            background: red;
            animation: love1 4s 0s infinite;
        }
        li:nth-child(2){
            background: darkturquoise;
            animation: love2 4s 0.2s infinite;
        }
        li:nth-child(3){
            background: darksalmon;
            animation: love3 4s 0.4s infinite;
        }
        li:nth-child(4){
            background: deeppink;
            animation: love4 4s 0.6s infinite;
        }
        li:nth-child(5){
            background: yellow;
            animation: love5 4s 0.8s infinite;
        }
        li:nth-child(6){
            background: deeppink;
            animation: love4 4s 1s infinite;
        }
        li:nth-child(7){
            background: darksalmon;
            animation: love3 4s 1.2s infinite;
        }
        li:nth-child(8){
            background: darkturquoise;
            animation: love2 4s 1.4s infinite;
        }
        li:nth-child(9){
            background: red;
            animation: love1 4s 1.6s infinite;
        }

        @keyframes love1 {
            30%,50%{
                height: 60px;
                transform: translateY(-30px);
            }
            70%,100%{
                height: 0px;
                transform: translateY(0px);
            }
        }
        @keyframes love2 {
            30%,50%{
                height: 125px;
                transform: translateY(-60px);
            }
            70%,100%{
                height: 0px;
                transform: translateY(0px);
            }
        }
        @keyframes love3 {
            30%,50%{
                height: 160px;
                transform: translateY(-75px);
            }
            70%,100%{
                height: 0px;
                transform: translateY(0px);
            }
        }
        @keyframes love4 {
            30%,50%{
                height: 180px;
                transform: translateY(-60px);
            }
            70%,100%{
                height: 0px;
                transform: translateY(0px);
            }
        }
        @keyframes love5 {
            30%,50%{
                height: 200px;
                transform: translateY(-45px);
            }
            70%,100%{
                height: 0px;
                transform: translateY(0px);
            }
        }
    </style>

</head>
<body>
<h1 style="color: red">亲，付款成功呦！！！</h1>
<div id="body">
    <ul>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
    </ul>
</div>

</body>
</html>